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Memory

@modelcontextprotocol · github.com/modelcontextprotocol/servers

A persistent knowledge-graph memory: entities, relations and observations that survive across sessions.

Anthropic OfficialAI & MLstdiolocal no-auth
GitHub

Install one command

terminal
$ npx -y @modelcontextprotocol/server-memory

Or add it with the Claude CLI: claude mcp add memory

Tools exposed 7 tools

create_entities
create_relations
add_observations
search_nodes
open_nodes
read_graph
delete_entities

Configuration claude_desktop_config.json

claude_desktop_config.json
{
  "mcpServers": {
    "memory": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-memory"]
    }
  }
}

Paste under mcpServers in your config, then restart Claude Desktop. For Claude Code, reference this server in your project's CLAUDE.md.

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